Rittal develops isolator sections for Ri4Power
A
Rittal product story
Edited by the Engineeringtalk editorial team
Oct 28, 2009
Rittal has extended its Ri4Power range for low-voltage switchgear with the development of isolator sections.
The isolator section layout is based on the familiar components of the Ri4Power system.
In tests, the highest configuration variant with complete side-panel modules and bar covers achieved internal form separation of up to Form 4b.
Depending on the number of cables to be connected, the Rittal isolator sections are available in section widths of 1000 and 1200mm, offering a connection space width of approximately 300 and 500mm respectively.
With a particular focus on targeted, cost-efficient switchgear design, the Rittal multi-terminal busbar system uses flat bars in cross sections of 50 x 10, 60 x 10, 80 x 10 and 100 x 10mm.
Successful type testing with ABB SlimLine and Jean Muller Sasil strips achieved rated currents of the busbar system of up to 2100A with full section population and a protection category of IP3X.
Terminal blocks enable the bars to be connected to the main busbar without any drilling.
During type testing, a short-circuit resistance of 100 kA (lcw 1sec) was proven in the main busbar system and in the 100 x 10mm distributor bar system.
Device modules from Jean Muller may also be used in the Ri4Power isolator section, as well as Sasil strips.
The device modules have a plug-in contact of up to 630A to the distributor busbar and may be equipped with a variety of switchgear and control units.
In conjunction with the distributor bar cover, these units may be exchanged while the system is live.
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